| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
1.8%
|
|
| 1 | 174 |
31.1%
|
|
| 2 | 116 |
20.8%
|
|
| 3 | 10 |
1.8%
|
|
| 4 | 1 |
0.2%
|
|
| Missing value | 248 |
44.4%
|